So long as there’s no vacuum (such as conditions in space with zero gravity), air is constantly in circulation, either in a controlled form when turning on a fan or heater or even when using a cooker or washer dryer, or uncontrolled, by way of natural air flow such as opening a window or movement…
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When looking at walls in a home or office space the first thing that comes to mind is how these bricks provide us with a sense of security and protection against the elements, right? But very rarely do we look at a wall and think, can they protect us against the intrusion of harmful substances,…
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